Italian Sardinian Ladyfingers | Savoiardi Sardi
Updated: Sep 13
Savoiardi Sardi are the Sardinian answer to the ladyfinger, and anyone who has only met the pale, brittle industrial version sold in supermarket packets will be surprised by them. A real Sardinian savoiardo is big. It is wide across the middle, domed on top, roughly four inches long and nearly an inch thick, with a pale gold crust that crackles under the thumb and a crumb inside so open and dry that it looks like a sponge cut in half. Sardinians call them by several local names depending on the village, and in some places they are still baked in the same wood oven that bakes the bread, after the loaves come out and the heat has settled into a gentler, steadier range.
The recipe itself is almost absurdly short. Two eggs, sugar, flour, a little cornstarch, vanilla, lemon zest, and a dusting of powdered sugar. There is no butter, no oil, no baking powder, no milk. Every bit of lift in the biscuit comes from air that you beat into the eggs and then protect while you fold. That is what makes this a technique recipe rather than a shopping recipe: the ingredient list gives you almost nothing to hide behind, and the difference between a superb savoiardo and a flat, leathery one is entirely in how you handle a bowl of foam.
The other thing that separates the Sardinian biscuit from the commercial one is the double dusting of powdered sugar before the tray goes into the oven. Two passes, a few minutes apart, dissolve into a thin sugar film on the surface and then set into a fine crust with a faint pearled bloom. That crust is not decoration. It is structural, it is what lets a savoiardo sit in coffee or sweet wine long enough to soak through and still come out of the cup in one piece instead of collapsing into sludge. Everything below is built around producing exactly that crust and exactly that crumb.
Makes about 20 large savoiardi. Serves 10 at two biscuits each. Prep: 25 minutes. Bake: 14 to 16 minutes. Cooling and drying: 45 minutes. Total: about 1 hour 30 minutes.
The Story
The ladyfinger was born on the mainland, in the Duchy of Savoy, in the late fifteenth century. Court legend credits a cook of the House of Savoy with inventing a light egg biscuit for a visit by the King of France, and the shape travelled with the dynasty until savoiardo simply meant a finger of baked egg foam anywhere Italian was spoken. Sardinia received the idea late, through the long period when the island was governed from Turin after the treaty that handed it to the Savoys in 1720, and Sardinian bakers did to it what Sardinian bakers do to every borrowed recipe. They made it bigger, drier and more useful.
The reason is the island oven. In Sardinian villages the domestic oven was heated once, hard, with wood, for the weekly bread. Nothing was fired for a single tray of biscuits. What went in afterward had to tolerate a falling oven and a long, dry heat, and had to keep for weeks in a tin or a cloth bag afterward, because shops were far away and flour and eggs were counted. A thin, delicate biscuit is useless under those conditions. A thick one, baked slowly until the inside is completely dry, keeps almost indefinitely and can be revived at any moment by dipping it into something wet. The Sardinian savoiardo is a biscuit designed around the economics of firewood.
Once it existed it became ceremonial. In Oristano, Bosa and across the Campidano plain, savoiardi appear at baptisms, confirmations and weddings, piled on a platter and passed with a glass of sweet wine so that guests can dip. In many families they are the biscuit given to a child with milk in the morning and to an elderly grandparent with a thimble of Malvasia in the afternoon, the same object doing very different jobs. They are also the structural backbone of the island version of zuppa inglese and of the Sardinian take on tiramisu, where their size means one layer of biscuits is genuinely one layer rather than a thin mosaic of small pieces.
Every zone has its small deviation. Around Bosa the lemon zest is heavier and sometimes joined by a scrape of orange. In the Barbagia some bakers add a spoon of the local eau de vie, filu e ferru, to the yolks. In Cagliari the powdered sugar goes on three times rather than twice, giving a noticeably whiter, more pearled top. The version here is the plain everyday one, the one a Sardinian household actually bakes, and it is the best platform to learn the technique on before you start adding your own variations.
Ingredients
Nothing here is difficult to find, which is exactly why quality matters. Use the freshest eggs you can get, because a fresh white whips to a tighter, more stable foam, and weigh the flour if you own a scale, since a heavy cup of flour is the single most common cause of a dense savoiardo.
Main Components
Large eggs, 2 whole, separated into yolks and whites, at room temperature
Granulated sugar, 3/4 cup (150 g), divided into two equal portions of 6 tablespoons (75 g) each
All purpose flour, 1 cup (120 g), sifted
Cornstarch, 1/4 cup (30 g), sifted with the flour
Powdered sugar, about 1/4 cup (30 g), for the double dusting
Additional Ingredients
Vanilla extract, 1 teaspoon (5 ml)
Fine sea salt, 1 pinch, for the egg whites
Oven temperature, 350°F (175°C), conventional setting, no fan
Optional Components
Lemon zest, finely grated, 1/2 teaspoon (about half a lemon)
Orange zest, finely grated, 1/4 teaspoon, in the Bosa style
Grappa or filu e ferru, 1 teaspoon (5 ml), whisked into the yolks in the Barbagia style
Preparation: Base Components
Take the eggs out of the refrigerator at least forty minutes before you start. Cold whites whip, but they whip slowly and they trap smaller, tighter bubbles that expand less in the oven. At around 68°F (20°C) the protein relaxes and the foam builds faster with a better final volume. Separate the eggs one at a time into a small cup before adding each white to the mixing bowl, so that a broken yolk spoils one white instead of both. Any trace of yolk fat in the whites will prevent them from reaching full peak, and so will a film of grease in the bowl, so wipe the bowl and the whisk with a paper towel moistened with vinegar or lemon juice and dry them completely.
Heat the oven to 350°F (175°C) and set a rack in the middle. Line two heavy baking sheets with parchment. If you want perfectly matched biscuits, draw parallel lines four inches (10 cm) apart on the underside of the parchment with a pencil and use them as a guide, then flip the sheet so the graphite never touches the batter. Sift the flour and cornstarch together twice and leave them in the sieve, resting over a bowl, ready to go. The cornstarch is not filler, it dilutes the gluten forming proteins in the flour and gives the finished crumb the short, dry, faintly powdery break that distinguishes a savoiardo from a small sponge cake.
Whip the whites with the pinch of salt on medium speed until they are opaque and holding soft peaks, then rain in the first 6 tablespoons (75 g) of granulated sugar a spoonful at a time. Adding sugar gradually is what turns a fragile foam into a stable meringue, because each addition dissolves into the water phase and thickens the films between the bubbles. Raise the speed and beat until the meringue is glossy and holds a firm peak that curls very slightly at the tip. Stop there. A meringue beaten to a dry, cottony, clumping stage has broken protein bonds and will weep water into the batter as you fold.
In a second bowl whisk the yolks with the remaining 6 tablespoons (75 g) of sugar until they triple in volume, turn pale straw yellow, and fall from the whisk in a ribbon that sits on the surface for three seconds before sinking. This takes four to five minutes with an electric whisk and is not a step to shorten. Whisk in the vanilla and the lemon zest at the very end, on low speed, so you do not knock out the air you just built.
Preparation: Assembly
You now have two separate foams with very different densities, and the whole success of the biscuit depends on marrying them without collapsing either. Start by stirring about one third of the meringue into the yolk ribbon with a firm hand. Sacrifice this portion deliberately. Its only job is to lighten and loosen the yolk base so that the remaining meringue can be folded in gently, and if you try to protect it you will simply need many more strokes later, which does far more damage overall.
Add the rest of the meringue in two additions. Use a wide, flexible spatula and a real folding motion: cut down through the centre of the bowl, sweep along the bottom, lift up the far side, and rotate the bowl a quarter turn with your other hand. Each stroke should be large and unhurried. Count them if it helps, most bakers need fewer than twenty five folds per addition. Stop while you can still see a few faint streaks of white, because the flour is still to come and it will finish the mixing for you.
Now sift the flour and cornstarch over the surface in three showers rather than dumping it in one pile. A pile sinks, hits the bottom of the bowl, and turns into a dense lump that you then have to beat out, deflating everything. A light shower sits on top of the foam and is absorbed with very few strokes. Fold each shower in until it has just disappeared before adding the next. The finished batter should be thick, glossy, and hold its shape: lift the spatula and the ribbon that falls should sit proud on the surface for several seconds. If the batter runs off the spatula like pancake mix it has been overworked, and the biscuits will bake flat and chewy. There is no rescue for that, so err on the side of undermixing.
Transfer the batter to a piping bag fitted with a plain round tip about 5/8 inch (15 mm) across. Use a big tip. This is the point where most home bakers go wrong, because a small tip produces the thin, mean commercial shape rather than the generous Sardinian one. Fill the bag no more than two thirds full, twist the top closed, and work reasonably quickly, since the foam begins to slacken after about fifteen minutes at room temperature.
Preparation: Finishing
Hold the bag at a low angle, almost parallel to the tray, and pipe firm bars about four inches (10 cm) long and one inch (2.5 cm) wide, releasing pressure and pulling away cleanly at the end so you do not leave a tail. Space them at least two inches (5 cm) apart, because Sardinian savoiardi spread sideways as well as rising. Twenty bars will need two full trays. If a bar has a peak at the end, flatten it with a damp fingertip, since any point on the surface will scorch before the body of the biscuit is baked.
Now the step that defines the recipe. Sift a generous, even veil of powdered sugar over the whole tray from a height of about ten inches (25 cm), so it falls like snow rather than landing in drifts. Wait three to four minutes. You will see the sugar visibly wet and disappear into the surface of the batter as it draws moisture out. Sift a second veil over the top, just as generous, and this time bake immediately, within about a minute, so the second layer is still sitting dry on the surface when it meets the oven heat. The first application dissolves into a thin syrup that sets into the crust, the second stays granular and gives the pearled, faintly crackled look of a real savoiardo.
Bake one tray at a time in the middle of the oven for 14 to 16 minutes. Do not open the door for the first ten minutes. The biscuits are ready when the tops are a pale honey gold, the edges are slightly deeper, the surface has a fine network of cracks, and the biscuit feels firm and dry when you press the centre with a fingertip. If it springs back softly and feels damp underneath, give it two more minutes. Colour is not the only guide here, dryness is the real target.
Slide the parchment straight off the hot tray onto a rack, otherwise residual heat will keep cooking the bases. Let the biscuits sit for five minutes, then lift each one off the paper with a palette knife and return it to the rack to cool completely in a single layer, at least forty minutes. This uninterrupted air drying is what finishes the job, and it is why savoiardi made in the afternoon are better the next morning.
Final Plating and Presentation
Sardinian savoiardi are not a plated dessert in the restaurant sense and it would be a mistake to treat them like one. They are served on a platter, stacked with confidence, and the presentation is about abundance and contrast rather than tweezers. Choose a wide flat dish, ceramic or wood rather than glass, and lay the biscuits in two overlapping rows running in opposite directions so that the pale crackled tops and the flat undersides both show. A sprig of lemon leaf tucked at the edge is traditional in the Oristano area and is the only garnish the biscuit needs.
If you are serving them the classic way, with a dipping wine, give each guest a small tumbler rather than a stemmed glass, filled no more than halfway, wide enough that a four inch biscuit can go in at an angle. That detail matters more than it sounds. The dipping is the ritual, and a narrow flute makes it awkward and faintly comic. Set the platter in the centre of the table and let people serve themselves, which is how it is done on the island.
For a more composed dessert plate, stand two savoiardi on the diagonal against a quenelle of sheep milk ricotta whipped with a spoon of honey, and scatter a few grains of coarse sugar and a little grated lemon zest across the plate. The visual logic is texture against texture: the matte, cracked, slightly rough surface of the biscuit reads beautifully next to something smooth and white. Avoid sauce pools and coulis. Anything wet on the plate softens the crust within minutes and throws away the thing you worked hardest for.
Serve at room temperature, never chilled. Cold dulls the vanilla and the citrus and makes the crumb taste dusty. If the biscuits have been in a tin for several days and seem a little tired, three minutes in an oven at 300°F (150°C) followed by ten minutes of cooling will bring back the aroma and the snap completely.
Professional Technique
The professional secret of this biscuit is that it is a two foam system in which the foams have opposite jobs. The yolk ribbon carries fat, emulsifiers and flavour and provides the tender part of the crumb. The meringue carries almost pure protein and water and provides the lift and the structural cage. Beat either one to the wrong stage and the other cannot compensate. A common workshop test is to whip both to what you think is correct and then leave them on the bench for five minutes: a properly built meringue will still stand with barely a bead of liquid at the base, while an underwhipped or overwhipped one will already be sitting in a pool. If you see that pool, start the whites again rather than proceeding.
The second technical pillar is sugar timing. Sugar delays protein coagulation, which is why the granulated sugar goes into the whites gradually rather than at the start, and why exactly half of the total goes to the yolks. If you put all the sugar in the meringue the biscuit rises spectacularly and then collapses, because the protein never sets soon enough to hold the shape. If you put all of it in the yolks the meringue becomes fragile and grainy. The fifty fifty split in this recipe is not arbitrary tradition, it is the balance point that lets both foams set at roughly the same moment in the oven.
The third pillar is the double powdered sugar dusting, and it is worth understanding what actually happens. Powdered sugar contains a small amount of starch and an enormous surface area. The first veil hits a wet batter, dissolves, and forms a supersaturated syrup skin. In the oven that skin dehydrates and recrystallises into a thin brittle shell before the interior has finished expanding, which is why the surface cracks in a fine network as the biscuit continues to rise underneath. The second veil, still dry when it enters the oven, sinters onto that shell and gives the matte pearled bloom. Skip either pass and you get a smooth, soft, commercial looking top that will disintegrate the moment it meets liquid.
Finally, bake in a conventional oven with the fan off. A convection fan strips the humid microclimate away from the surface of the biscuits too early, setting the crust before the interior expansion has finished and producing a squat biscuit with a dense band near the base. If your oven is fan only, drop the temperature to 325°F (160°C) and expect to add three or four minutes.
Texture and Moisture Control
A savoiardo has to solve a contradiction. It must be dry enough to keep for weeks and to absorb liquid quickly, yet strong enough that once saturated it does not fall apart in the cup or in the layers of a tiramisu. The solution is a cell structure with thin but continuous walls, produced by the egg foam, reinforced at the surface by the sugar crust. Water travels into the crumb through capillary action along those cell walls, and the walls stay intact because they are set egg protein rather than a starch paste. That is precisely why the industrial version fails: it is cheaper in egg, higher in starch and chemical leavening, and its cell walls dissolve rather than hold.
Humidity is the biggest enemy during cooling. If you stack warm biscuits or seal them before they are completely cold, trapped steam condenses on the crust, redissolves the sugar shell, and turns the surface sticky and soft overnight. Cool in a single layer on a rack in a dry room, and if your kitchen is humid, leave them in the turned off oven with the door propped open by a wooden spoon for the first twenty minutes. Conversely, in a very dry climate the biscuits can overdry and become brittle, in which case shorten the cooling period and get them into the tin as soon as they reach room temperature.
Inside the batter, moisture control is really about time. Egg foam begins to drain from the moment you stop whisking, and the flour begins to hydrate the moment it touches the mixture. Every minute between the last fold and the oven costs you volume. A professional sets the piping bag, the tips, the trays and the powdered sugar sieve in place before the whisk is even switched on, so that the interval from final fold to closed oven door is under six minutes for the first tray. If you must hold the second tray, keep the batter in the bowl rather than in the bag, which slackens faster, and give it two gentle folds before piping.
When you use these biscuits in a soaked dessert, count the dip rather than guessing. A large Sardinian savoiardo needs about two seconds per side in coffee or sweet wine, and no more. It will look insufficiently wet when you lift it out and will continue absorbing for several minutes afterward. Over dipping is the single most common way a good biscuit is ruined at the very last step.
Professional Mise en Place
This is a fast recipe with a short window of opportunity, so the whole organisation is built around having nothing left to find once the whisking begins. Set out every item below, in order, before you separate the first egg.
Equipment and Tools
Stand mixer or hand whisk with two clean, degreased bowls
Wide flexible silicone spatula, at least 10 inches (25 cm) long
Piping bag with a plain round tip, 5/8 inch (15 mm) opening
Two heavy flat baking sheets with parchment, plus a wire cooling rack
Fine mesh sieve for the flour and a small separate sieve kept only for powdered sugar
Digital scale and an oven thermometer, because most domestic ovens read high
Advance Preparation Steps
Bring the eggs to room temperature, about 68°F (20°C), forty minutes ahead
Wipe the whipping bowl and whisk with vinegar on a paper towel, then dry them fully
Weigh the sugar into two equal portions of 6 tablespoons (75 g) in separate cups
Sift the flour and cornstarch together twice and leave them in the sieve, ready to shower
Cut the parchment, mark the four inch guide lines, and turn the paper pencil side down
Heat the oven to 350°F (175°C) at least twenty minutes ahead and verify with a thermometer
Serving Setup
Have the cooling rack cleared and within arm's reach of the oven
Prepare the airtight tin with a sheet of parchment between layers before baking
Chill or open the dessert wine and set out short wide tumblers for dipping
Choose the serving platter in advance, wood or ceramic, wide and flat
Chef Tips
Weigh, do not scoop. A cup of flour scooped straight from the bag can carry 20 percent more than 120 g, and that extra flour is the most frequent cause of a heavy, chewy savoiardo. If you have no scale, spoon the flour lightly into the cup and level it with a knife.
Pipe the first biscuit as a test, then look at it from the side. If it holds a proud, domed profile you have folded correctly. If it slumps and spreads within thirty seconds, the batter is overmixed and the remaining trays should be piped narrower and baked slightly hotter to compensate.
Keep a dedicated sieve for powdered sugar and never wash it between the two dustings. A wet sieve clogs instantly, and the second veil is the one that gives the pearled finish, so it has to fall evenly.
Bake a full second tray even if you only need ten biscuits. Savoiardi keep beautifully, and having a tin of them in the cupboard turns leftover coffee, a spoon of ricotta or a glass of sweet wine into a dessert in two minutes.
Common Mistakes
Overfolding the batter: this is the mistake that accounts for most failures, and it happens because the batter looks streaky and unfinished at exactly the moment you should stop. Every extra stroke pops bubbles you spent five minutes creating. Fold until the flour has just vanished, accept a slightly uneven look, and remember that the piping bag itself will do a little more mixing on the way out.
Using a piping tip that is too small: a 3/8 inch tip produces the thin supermarket shape, which bakes through faster, dries harder, and turns to mush the second it touches liquid. Sardinian savoiardi are deliberately thick because thickness is what gives them a dry interior that can absorb without collapsing. Buy the wider tip, or cut a generous opening in a sturdy freezer bag.
Dusting the powdered sugar only once, or dusting and then waiting too long: one pass gives you sweetness but no crust, and if you leave the second pass sitting for ten minutes before baking it dissolves as well and you are back to a single layer. Three to four minutes between the two veils, then straight into the oven, is the window that works.
Sealing them in a tin while still warm: the biscuits feel dry to the touch after twenty minutes but the centre is still releasing steam for a good while longer. Trapped steam softens the crust, makes the surface tacky, and can turn a perfect batch limp by morning. Wait the full forty minutes on the rack, and if in doubt, wait an hour.
Wine or Beverage Pairing
Savoiardi are dry, lightly sweet and strongly scented with vanilla and lemon, which means the pairing rule is straightforward: the wine must be at least as sweet as the biscuit or the biscuit will make it taste sour and thin. Beyond that, you have a genuine choice between two philosophies. Either you match the citrus and the lightness with something aromatic and fresh, or you play against the dryness of the crumb with something oxidative and viscous that the biscuit can drink up. Both are correct, and in Sardinia both are done.
Malvasia di Bosa DOC: the local and most authentic choice, from the coast north of Oristano where these biscuits are a ceremonial staple. Its oxidative character brings bitter almond, dried apricot and a saline nutty finish that echoes the toasted sugar crust, while the residual sugar in the sweet version is just high enough to stand up to the biscuit without cloying. The slightly firm, faintly bitter finish also cuts through the egg richness, which keeps a plate of four biscuits from feeling monotonous.
Girò di Cagliari DOC: a rare sweet red from southern Sardinia, deep garnet, with candied cherry, dried fig and a warm spiced edge. Its tannins are soft and low, which matters enormously here because a firm tannin would scrape against the dry crumb and turn the whole mouthful astringent. What it offers instead is weight and a gentle grip that carries the vanilla in the biscuit and makes the pairing feel like a dessert in itself rather than an accompaniment.
Cagliari DOC: the sweet white bottlings under this appellation, moscato in particular, are the everyday Sardinian dipping wine and the pairing most islanders would reach for without thinking. Orange blossom, ripe peach and a delicate grapey lift meet the lemon zest in the biscuit head on, and the moderate alcohol means you can drink it in the afternoon. The lower viscosity soaks into the crumb quickly, so keep the dip short.
Moscato d'Asti DOCG: the Piedmontese classic, low in alcohol, gently frizzante and full of sage, elderflower and white peach. The light bubble is the useful part: it scrubs the palate of the fine sugar coating between bites, so the fifth biscuit tastes as bright as the first. The acidity is also higher than the sweetness suggests, which keeps the pairing lively rather than syrupy, and the historical link to the Savoy court gives it a certain logic with a biscuit of Savoy origin.
Vin Santo del Chianti Classico DOC: the great dipping wine of Italy, aged oxidatively in small caratelli until it tastes of walnut, dried fig, caramel and orange peel. It is denser and more concentrated than anything else on this list, which makes it the right partner when the biscuits are a few days old and drier than usual, because the crumb can absorb real viscosity. Serve it in small quantities and slightly cool, around 55°F (13°C), so the alcohol does not dominate.
Recioto di Soave DOCG: made from dried garganega grapes, this is the elegant option: honeyed and floral with a marzipan note and a surprisingly firm mineral backbone. The almond character is a direct echo of the egg and sugar crust, while the acidity stops the pairing from becoming heavy. It is the bottle to open if you are serving the biscuits as part of a composed dessert with ricotta or fruit rather than on their own.
For a version without alcohol, strong espresso is the Sardinian default and needs no apology, since the bitterness performs the same cutting job as acidity in a wine. A well made pot of chamomile and lemon verbena infusion, served warm and unsweetened, is the alternative offered to children and to elderly guests on the island, and it dips just as well.
Storage and Make Ahead Options
Savoiardi are one of the great keeping biscuits, which was the point of making them thick in the first place. Once completely cold, layer them in an airtight metal tin with a sheet of parchment between the layers and keep them at cool room temperature away from the stove and away from any window that catches sun. They stay at their best for about two weeks and remain perfectly usable for a month. Do not refrigerate them under any circumstances, because a refrigerator is a humid environment and the sugar crust will go tacky within a day.
For longer storage they freeze extremely well. Freeze them first in a single layer on a tray until solid, about two hours, then transfer to a rigid container or a heavy freezer bag with the air pressed out, where they will keep for three months without any loss of aroma. Thaw them uncovered at room temperature for thirty minutes, never in a sealed bag, or the condensation forming on the surface as they warm will destroy the crust.
If a batch has softened, or if you want to restore biscuits that have been in the tin for a couple of weeks, spread them on a tray and put them in an oven at 300°F (150°C) for three to four minutes, then cool them completely on a rack before serving. They come back almost exactly as they were. The batter itself cannot be made in advance: egg foam is a live structure that begins to drain immediately, so it must be piped and baked within about fifteen minutes of the final fold. What you can do ahead is everything around it, the sifted dry mix, the lined and marked trays, the weighed sugar and the heated oven.
Nutrition Information
Values below are for one serving of two large savoiardi, based on a yield of 20 biscuits from the quantities in this recipe.
Calories: 135 kcal
Total Fat: 1.2 g
Saturated Fat: 0.4 g
Trans Fat: 0 g
Unsaturated Fat: 0.8 g
Cholesterol: 37 mg
Sodium: 14 mg
Total Carbohydrates: 29 g
Fiber: 0.3 g
Total Sugars: 18 g
Added Sugars: 18 g
Protein: 2.3 g
Lactose: 0 g
Key micronutrients: selenium about 6 mcg, riboflavin about 0.08 mg, folate about 18 mcg, iron about 0.6 mg, choline about 25 mg, vitamin A about 30 mcg
Allergens: contains eggs and wheat, therefore gluten. The recipe contains no dairy, no nuts and no soy as written, which makes it suitable for people avoiding lactose, although it is not safe for anyone with an egg or wheat allergy. If the optional grappa is used the biscuits are no longer alcohol free, since a spoonful whisked into the yolks does not fully evaporate during such a short bake.
These figures are estimates calculated from standard ingredient data. They will shift with egg size, with how heavily you dust the powdered sugar, and with the exact number of biscuits your piping yields.
About the Recipe
This is the household version of Savoiardi Sardi as it is still made in the villages of the Oristano province, written up with the measurements and the timings a modern kitchen needs. It is a deliberately minimal recipe, and that minimalism is the lesson in it. There is nowhere for a shortcut to hide, so learning to build and protect an egg foam here transfers directly to sponge cakes, to genoise, to biscotti savoiardi for tiramisu and to every other preparation that rises on air alone. On the island it belongs to celebration and to daily life at the same time, which is a combination that only the very oldest recipes manage.
Summary
Separate two eggs, whip the whites to a glossy firm peak with half the sugar, whisk the yolks to a pale ribbon with the other half, fold the two together gently, and shower in sifted flour and cornstarch with as few strokes as you can manage. Pipe generous bars four inches long and one inch wide with a wide plain tip, dust them twice with powdered sugar three minutes apart, and bake at 350°F (175°C) for 14 to 16 minutes until pale gold, cracked and dry to the touch.
Cool them completely on a rack in a single layer before they go anywhere near a tin. Done properly you get a biscuit that is large, light, faintly lemony and crowned with a crackled sugar crust, dry enough to keep for weeks and strong enough to take a two second dip in Malvasia or espresso and come out whole. That resilience is the whole point of the Sardinian shape, and it is what no packet from a supermarket shelf will ever give you.
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